Restoring authorship annotation for <deshevoy@yandex-team.ru>. Commit 1 of 2.

1 files changed, 594 insertions, 594 deletions

diff --git a/contrib/libs/openssl/ssl/s3_enc.c b/contrib/libs/openssl/ssl/s3_enc.c
index 8a89f512fe..ab86328638 100644
--- a/contrib/libs/openssl/ssl/s3_enc.c
+++ b/contrib/libs/openssl/ssl/s3_enc.c
@@ -1,595 +1,595 @@
-/*
- * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
- * Copyright 2005 Nokia. All rights reserved.
- *
- * Licensed under the OpenSSL license (the "License").  You may not use
- * this file except in compliance with the License.  You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#include <stdio.h>
+/* 
+ * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. 
+ * Copyright 2005 Nokia. All rights reserved. 
+ * 
+ * Licensed under the OpenSSL license (the "License").  You may not use 
+ * this file except in compliance with the License.  You can obtain a copy 
+ * in the file LICENSE in the source distribution or at 
+ * https://www.openssl.org/source/license.html 
+ */ 
+ 
+#include <stdio.h> 
 #include "ssl_local.h"
-#include <openssl/evp.h>
-#include <openssl/md5.h>
-#include "internal/cryptlib.h"
-
-static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
-{
-    EVP_MD_CTX *m5;
-    EVP_MD_CTX *s1;
-    unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
-    unsigned char c = 'A';
-    unsigned int i, j, k;
-    int ret = 0;
-
-#ifdef CHARSET_EBCDIC
-    c = os_toascii[c];          /* 'A' in ASCII */
-#endif
-    k = 0;
-    m5 = EVP_MD_CTX_new();
-    s1 = EVP_MD_CTX_new();
-    if (m5 == NULL || s1 == NULL) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_KEY_BLOCK,
-                 ERR_R_MALLOC_FAILURE);
-        goto err;
-    }
-    EVP_MD_CTX_set_flags(m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
-    for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
-        k++;
-        if (k > sizeof(buf)) {
-            /* bug: 'buf' is too small for this ciphersuite */
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_KEY_BLOCK,
-                     ERR_R_INTERNAL_ERROR);
-            goto err;
-        }
-
-        for (j = 0; j < k; j++)
-            buf[j] = c;
-        c++;
-        if (!EVP_DigestInit_ex(s1, EVP_sha1(), NULL)
-            || !EVP_DigestUpdate(s1, buf, k)
-            || !EVP_DigestUpdate(s1, s->session->master_key,
-                                 s->session->master_key_length)
-            || !EVP_DigestUpdate(s1, s->s3->server_random, SSL3_RANDOM_SIZE)
-            || !EVP_DigestUpdate(s1, s->s3->client_random, SSL3_RANDOM_SIZE)
-            || !EVP_DigestFinal_ex(s1, smd, NULL)
-            || !EVP_DigestInit_ex(m5, EVP_md5(), NULL)
-            || !EVP_DigestUpdate(m5, s->session->master_key,
-                                 s->session->master_key_length)
-            || !EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH)) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_KEY_BLOCK,
-                     ERR_R_INTERNAL_ERROR);
-            goto err;
-        }
-        if ((int)(i + MD5_DIGEST_LENGTH) > num) {
-            if (!EVP_DigestFinal_ex(m5, smd, NULL)) {
-                SSLfatal(s, SSL_AD_INTERNAL_ERROR,
-                         SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
-                goto err;
-            }
-            memcpy(km, smd, (num - i));
-        } else {
-            if (!EVP_DigestFinal_ex(m5, km, NULL)) {
-                SSLfatal(s, SSL_AD_INTERNAL_ERROR,
-                         SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
-                goto err;
-            }
-        }
-
-        km += MD5_DIGEST_LENGTH;
-    }
-    OPENSSL_cleanse(smd, sizeof(smd));
-    ret = 1;
- err:
-    EVP_MD_CTX_free(m5);
-    EVP_MD_CTX_free(s1);
-    return ret;
-}
-
-int ssl3_change_cipher_state(SSL *s, int which)
-{
-    unsigned char *p, *mac_secret;
-    unsigned char *ms, *key, *iv;
-    EVP_CIPHER_CTX *dd;
-    const EVP_CIPHER *c;
-#ifndef OPENSSL_NO_COMP
-    COMP_METHOD *comp;
-#endif
-    const EVP_MD *m;
-    int mdi;
-    size_t n, i, j, k, cl;
-    int reuse_dd = 0;
-
-    c = s->s3->tmp.new_sym_enc;
-    m = s->s3->tmp.new_hash;
-    /* m == NULL will lead to a crash later */
-    if (!ossl_assert(m != NULL)) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                 ERR_R_INTERNAL_ERROR);
-        goto err;
-    }
-#ifndef OPENSSL_NO_COMP
-    if (s->s3->tmp.new_compression == NULL)
-        comp = NULL;
-    else
-        comp = s->s3->tmp.new_compression->method;
-#endif
-
-    if (which & SSL3_CC_READ) {
-        if (s->enc_read_ctx != NULL) {
-            reuse_dd = 1;
-        } else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                     ERR_R_MALLOC_FAILURE);
-            goto err;
-        } else {
-            /*
-             * make sure it's initialised in case we exit later with an error
-             */
-            EVP_CIPHER_CTX_reset(s->enc_read_ctx);
-        }
-        dd = s->enc_read_ctx;
-
-        if (ssl_replace_hash(&s->read_hash, m) == NULL) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                     ERR_R_INTERNAL_ERROR);
-            goto err;
-        }
-#ifndef OPENSSL_NO_COMP
-        /* COMPRESS */
-        COMP_CTX_free(s->expand);
-        s->expand = NULL;
-        if (comp != NULL) {
-            s->expand = COMP_CTX_new(comp);
-            if (s->expand == NULL) {
-                SSLfatal(s, SSL_AD_INTERNAL_ERROR,
-                         SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                         SSL_R_COMPRESSION_LIBRARY_ERROR);
-                goto err;
-            }
-        }
-#endif
-        RECORD_LAYER_reset_read_sequence(&s->rlayer);
-        mac_secret = &(s->s3->read_mac_secret[0]);
-    } else {
-        s->statem.enc_write_state = ENC_WRITE_STATE_INVALID;
-        if (s->enc_write_ctx != NULL) {
-            reuse_dd = 1;
-        } else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                     ERR_R_MALLOC_FAILURE);
-            goto err;
-        } else {
-            /*
-             * make sure it's initialised in case we exit later with an error
-             */
-            EVP_CIPHER_CTX_reset(s->enc_write_ctx);
-        }
-        dd = s->enc_write_ctx;
-        if (ssl_replace_hash(&s->write_hash, m) == NULL) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                     ERR_R_MALLOC_FAILURE);
-            goto err;
-        }
-#ifndef OPENSSL_NO_COMP
-        /* COMPRESS */
-        COMP_CTX_free(s->compress);
-        s->compress = NULL;
-        if (comp != NULL) {
-            s->compress = COMP_CTX_new(comp);
-            if (s->compress == NULL) {
-                SSLfatal(s, SSL_AD_INTERNAL_ERROR,
-                         SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                         SSL_R_COMPRESSION_LIBRARY_ERROR);
-                goto err;
-            }
-        }
-#endif
-        RECORD_LAYER_reset_write_sequence(&s->rlayer);
-        mac_secret = &(s->s3->write_mac_secret[0]);
-    }
-
-    if (reuse_dd)
-        EVP_CIPHER_CTX_reset(dd);
-
-    p = s->s3->tmp.key_block;
-    mdi = EVP_MD_size(m);
-    if (mdi < 0) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                 ERR_R_INTERNAL_ERROR);
-        goto err;
-    }
-    i = mdi;
-    cl = EVP_CIPHER_key_length(c);
-    j = cl;
-    k = EVP_CIPHER_iv_length(c);
-    if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
-        (which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
-        ms = &(p[0]);
-        n = i + i;
-        key = &(p[n]);
-        n += j + j;
-        iv = &(p[n]);
-        n += k + k;
-    } else {
-        n = i;
-        ms = &(p[n]);
-        n += i + j;
-        key = &(p[n]);
-        n += j + k;
-        iv = &(p[n]);
-        n += k;
-    }
-
-    if (n > s->s3->tmp.key_block_length) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                 ERR_R_INTERNAL_ERROR);
-        goto err;
-    }
-
-    memcpy(mac_secret, ms, i);
-
-    if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE,
-                 ERR_R_INTERNAL_ERROR);
-        goto err;
-    }
-
-    s->statem.enc_write_state = ENC_WRITE_STATE_VALID;
-    return 1;
- err:
-    return 0;
-}
-
-int ssl3_setup_key_block(SSL *s)
-{
-    unsigned char *p;
-    const EVP_CIPHER *c;
-    const EVP_MD *hash;
-    int num;
-    int ret = 0;
-    SSL_COMP *comp;
-
-    if (s->s3->tmp.key_block_length != 0)
-        return 1;
-
-    if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_SETUP_KEY_BLOCK,
-                 SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
-        return 0;
-    }
-
-    s->s3->tmp.new_sym_enc = c;
-    s->s3->tmp.new_hash = hash;
-#ifdef OPENSSL_NO_COMP
-    s->s3->tmp.new_compression = NULL;
-#else
-    s->s3->tmp.new_compression = comp;
-#endif
-
-    num = EVP_MD_size(hash);
-    if (num < 0)
-        return 0;
-
-    num = EVP_CIPHER_key_length(c) + num + EVP_CIPHER_iv_length(c);
-    num *= 2;
-
-    ssl3_cleanup_key_block(s);
-
-    if ((p = OPENSSL_malloc(num)) == NULL) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_SETUP_KEY_BLOCK,
-                 ERR_R_MALLOC_FAILURE);
-        return 0;
-    }
-
-    s->s3->tmp.key_block_length = num;
-    s->s3->tmp.key_block = p;
-
-    /* Calls SSLfatal() as required */
-    ret = ssl3_generate_key_block(s, p, num);
-
-    if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
-        /*
-         * enable vulnerability countermeasure for CBC ciphers with known-IV
-         * problem (http://www.openssl.org/~bodo/tls-cbc.txt)
-         */
-        s->s3->need_empty_fragments = 1;
-
-        if (s->session->cipher != NULL) {
-            if (s->session->cipher->algorithm_enc == SSL_eNULL)
-                s->s3->need_empty_fragments = 0;
-
-#ifndef OPENSSL_NO_RC4
-            if (s->session->cipher->algorithm_enc == SSL_RC4)
-                s->s3->need_empty_fragments = 0;
-#endif
-        }
-    }
-
-    return ret;
-}
-
-void ssl3_cleanup_key_block(SSL *s)
-{
-    OPENSSL_clear_free(s->s3->tmp.key_block, s->s3->tmp.key_block_length);
-    s->s3->tmp.key_block = NULL;
-    s->s3->tmp.key_block_length = 0;
-}
-
-int ssl3_init_finished_mac(SSL *s)
-{
-    BIO *buf = BIO_new(BIO_s_mem());
-
-    if (buf == NULL) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_INIT_FINISHED_MAC,
-                 ERR_R_MALLOC_FAILURE);
-        return 0;
-    }
-    ssl3_free_digest_list(s);
-    s->s3->handshake_buffer = buf;
-    (void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
-    return 1;
-}
-
-/*
- * Free digest list. Also frees handshake buffer since they are always freed
- * together.
- */
-
-void ssl3_free_digest_list(SSL *s)
-{
-    BIO_free(s->s3->handshake_buffer);
-    s->s3->handshake_buffer = NULL;
-    EVP_MD_CTX_free(s->s3->handshake_dgst);
-    s->s3->handshake_dgst = NULL;
-}
-
-int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len)
-{
-    int ret;
-
-    if (s->s3->handshake_dgst == NULL) {
-        /* Note: this writes to a memory BIO so a failure is a fatal error */
-        if (len > INT_MAX) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC,
-                     SSL_R_OVERFLOW_ERROR);
-            return 0;
-        }
-        ret = BIO_write(s->s3->handshake_buffer, (void *)buf, (int)len);
-        if (ret <= 0 || ret != (int)len) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC,
-                     ERR_R_INTERNAL_ERROR);
-            return 0;
-        }
-    } else {
-        ret = EVP_DigestUpdate(s->s3->handshake_dgst, buf, len);
-        if (!ret) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC,
-                     ERR_R_INTERNAL_ERROR);
-            return 0;
-        }
-    }
-    return 1;
-}
-
-int ssl3_digest_cached_records(SSL *s, int keep)
-{
-    const EVP_MD *md;
-    long hdatalen;
-    void *hdata;
-
-    if (s->s3->handshake_dgst == NULL) {
-        hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
-        if (hdatalen <= 0) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS,
-                     SSL_R_BAD_HANDSHAKE_LENGTH);
-            return 0;
-        }
-
-        s->s3->handshake_dgst = EVP_MD_CTX_new();
-        if (s->s3->handshake_dgst == NULL) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS,
-                     ERR_R_MALLOC_FAILURE);
-            return 0;
-        }
-
-        md = ssl_handshake_md(s);
-        if (md == NULL || !EVP_DigestInit_ex(s->s3->handshake_dgst, md, NULL)
-            || !EVP_DigestUpdate(s->s3->handshake_dgst, hdata, hdatalen)) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS,
-                     ERR_R_INTERNAL_ERROR);
-            return 0;
-        }
-    }
-    if (keep == 0) {
-        BIO_free(s->s3->handshake_buffer);
-        s->s3->handshake_buffer = NULL;
-    }
-
-    return 1;
-}
-
-size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t len,
-                             unsigned char *p)
-{
-    int ret;
-    EVP_MD_CTX *ctx = NULL;
-
-    if (!ssl3_digest_cached_records(s, 0)) {
-        /* SSLfatal() already called */
-        return 0;
-    }
-
-    if (EVP_MD_CTX_type(s->s3->handshake_dgst) != NID_md5_sha1) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
-                 SSL_R_NO_REQUIRED_DIGEST);
-        return 0;
-    }
-
-    ctx = EVP_MD_CTX_new();
-    if (ctx == NULL) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
-                 ERR_R_MALLOC_FAILURE);
-        return 0;
-    }
-    if (!EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst)) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
-                 ERR_R_INTERNAL_ERROR);
-        ret = 0;
-        goto err;
-    }
-
-    ret = EVP_MD_CTX_size(ctx);
-    if (ret < 0) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
-                 ERR_R_INTERNAL_ERROR);
-        ret = 0;
-        goto err;
-    }
-
-    if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0)
-        || EVP_MD_CTX_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
-                           (int)s->session->master_key_length,
-                           s->session->master_key) <= 0
-        || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
-                 ERR_R_INTERNAL_ERROR);
-        ret = 0;
-    }
-
- err:
-    EVP_MD_CTX_free(ctx);
-
-    return ret;
-}
-
-int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
-                                size_t len, size_t *secret_size)
-{
-    static const unsigned char *salt[3] = {
-#ifndef CHARSET_EBCDIC
-        (const unsigned char *)"A",
-        (const unsigned char *)"BB",
-        (const unsigned char *)"CCC",
-#else
-        (const unsigned char *)"\x41",
-        (const unsigned char *)"\x42\x42",
-        (const unsigned char *)"\x43\x43\x43",
-#endif
-    };
-    unsigned char buf[EVP_MAX_MD_SIZE];
-    EVP_MD_CTX *ctx = EVP_MD_CTX_new();
-    int i, ret = 1;
-    unsigned int n;
-    size_t ret_secret_size = 0;
-
-    if (ctx == NULL) {
-        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_MASTER_SECRET,
-                 ERR_R_MALLOC_FAILURE);
-        return 0;
-    }
-    for (i = 0; i < 3; i++) {
-        if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
-            || EVP_DigestUpdate(ctx, salt[i],
-                                strlen((const char *)salt[i])) <= 0
-            || EVP_DigestUpdate(ctx, p, len) <= 0
-            || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),
-                                SSL3_RANDOM_SIZE) <= 0
-            || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),
-                                SSL3_RANDOM_SIZE) <= 0
-               /* TODO(size_t) : convert me */
-            || EVP_DigestFinal_ex(ctx, buf, &n) <= 0
-            || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0
-            || EVP_DigestUpdate(ctx, p, len) <= 0
-            || EVP_DigestUpdate(ctx, buf, n) <= 0
-            || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
-            SSLfatal(s, SSL_AD_INTERNAL_ERROR,
-                     SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
-            ret = 0;
-            break;
-        }
-        out += n;
-        ret_secret_size += n;
-    }
-    EVP_MD_CTX_free(ctx);
-
-    OPENSSL_cleanse(buf, sizeof(buf));
-    if (ret)
-        *secret_size = ret_secret_size;
-    return ret;
-}
-
-int ssl3_alert_code(int code)
-{
-    switch (code) {
-    case SSL_AD_CLOSE_NOTIFY:
-        return SSL3_AD_CLOSE_NOTIFY;
-    case SSL_AD_UNEXPECTED_MESSAGE:
-        return SSL3_AD_UNEXPECTED_MESSAGE;
-    case SSL_AD_BAD_RECORD_MAC:
-        return SSL3_AD_BAD_RECORD_MAC;
-    case SSL_AD_DECRYPTION_FAILED:
-        return SSL3_AD_BAD_RECORD_MAC;
-    case SSL_AD_RECORD_OVERFLOW:
-        return SSL3_AD_BAD_RECORD_MAC;
-    case SSL_AD_DECOMPRESSION_FAILURE:
-        return SSL3_AD_DECOMPRESSION_FAILURE;
-    case SSL_AD_HANDSHAKE_FAILURE:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_NO_CERTIFICATE:
-        return SSL3_AD_NO_CERTIFICATE;
-    case SSL_AD_BAD_CERTIFICATE:
-        return SSL3_AD_BAD_CERTIFICATE;
-    case SSL_AD_UNSUPPORTED_CERTIFICATE:
-        return SSL3_AD_UNSUPPORTED_CERTIFICATE;
-    case SSL_AD_CERTIFICATE_REVOKED:
-        return SSL3_AD_CERTIFICATE_REVOKED;
-    case SSL_AD_CERTIFICATE_EXPIRED:
-        return SSL3_AD_CERTIFICATE_EXPIRED;
-    case SSL_AD_CERTIFICATE_UNKNOWN:
-        return SSL3_AD_CERTIFICATE_UNKNOWN;
-    case SSL_AD_ILLEGAL_PARAMETER:
-        return SSL3_AD_ILLEGAL_PARAMETER;
-    case SSL_AD_UNKNOWN_CA:
-        return SSL3_AD_BAD_CERTIFICATE;
-    case SSL_AD_ACCESS_DENIED:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_DECODE_ERROR:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_DECRYPT_ERROR:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_EXPORT_RESTRICTION:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_PROTOCOL_VERSION:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_INSUFFICIENT_SECURITY:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_INTERNAL_ERROR:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_USER_CANCELLED:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_NO_RENEGOTIATION:
-        return -1;            /* Don't send it :-) */
-    case SSL_AD_UNSUPPORTED_EXTENSION:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_CERTIFICATE_UNOBTAINABLE:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_UNRECOGNIZED_NAME:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
-        return SSL3_AD_HANDSHAKE_FAILURE;
-    case SSL_AD_UNKNOWN_PSK_IDENTITY:
-        return TLS1_AD_UNKNOWN_PSK_IDENTITY;
-    case SSL_AD_INAPPROPRIATE_FALLBACK:
-        return TLS1_AD_INAPPROPRIATE_FALLBACK;
-    case SSL_AD_NO_APPLICATION_PROTOCOL:
-        return TLS1_AD_NO_APPLICATION_PROTOCOL;
-    case SSL_AD_CERTIFICATE_REQUIRED:
-        return SSL_AD_HANDSHAKE_FAILURE;
-    default:
-        return -1;
-    }
-}
+#include <openssl/evp.h> 
+#include <openssl/md5.h> 
+#include "internal/cryptlib.h" 
+ 
+static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num) 
+{ 
+    EVP_MD_CTX *m5; 
+    EVP_MD_CTX *s1; 
+    unsigned char buf[16], smd[SHA_DIGEST_LENGTH]; 
+    unsigned char c = 'A'; 
+    unsigned int i, j, k; 
+    int ret = 0; 
+ 
+#ifdef CHARSET_EBCDIC 
+    c = os_toascii[c];          /* 'A' in ASCII */ 
+#endif 
+    k = 0; 
+    m5 = EVP_MD_CTX_new(); 
+    s1 = EVP_MD_CTX_new(); 
+    if (m5 == NULL || s1 == NULL) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_KEY_BLOCK, 
+                 ERR_R_MALLOC_FAILURE); 
+        goto err; 
+    } 
+    EVP_MD_CTX_set_flags(m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); 
+    for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) { 
+        k++; 
+        if (k > sizeof(buf)) { 
+            /* bug: 'buf' is too small for this ciphersuite */ 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_KEY_BLOCK, 
+                     ERR_R_INTERNAL_ERROR); 
+            goto err; 
+        } 
+ 
+        for (j = 0; j < k; j++) 
+            buf[j] = c; 
+        c++; 
+        if (!EVP_DigestInit_ex(s1, EVP_sha1(), NULL) 
+            || !EVP_DigestUpdate(s1, buf, k) 
+            || !EVP_DigestUpdate(s1, s->session->master_key, 
+                                 s->session->master_key_length) 
+            || !EVP_DigestUpdate(s1, s->s3->server_random, SSL3_RANDOM_SIZE) 
+            || !EVP_DigestUpdate(s1, s->s3->client_random, SSL3_RANDOM_SIZE) 
+            || !EVP_DigestFinal_ex(s1, smd, NULL) 
+            || !EVP_DigestInit_ex(m5, EVP_md5(), NULL) 
+            || !EVP_DigestUpdate(m5, s->session->master_key, 
+                                 s->session->master_key_length) 
+            || !EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH)) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_KEY_BLOCK, 
+                     ERR_R_INTERNAL_ERROR); 
+            goto err; 
+        } 
+        if ((int)(i + MD5_DIGEST_LENGTH) > num) { 
+            if (!EVP_DigestFinal_ex(m5, smd, NULL)) { 
+                SSLfatal(s, SSL_AD_INTERNAL_ERROR, 
+                         SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR); 
+                goto err; 
+            } 
+            memcpy(km, smd, (num - i)); 
+        } else { 
+            if (!EVP_DigestFinal_ex(m5, km, NULL)) { 
+                SSLfatal(s, SSL_AD_INTERNAL_ERROR, 
+                         SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR); 
+                goto err; 
+            } 
+        } 
+ 
+        km += MD5_DIGEST_LENGTH; 
+    } 
+    OPENSSL_cleanse(smd, sizeof(smd)); 
+    ret = 1; 
+ err: 
+    EVP_MD_CTX_free(m5); 
+    EVP_MD_CTX_free(s1); 
+    return ret; 
+} 
+ 
+int ssl3_change_cipher_state(SSL *s, int which) 
+{ 
+    unsigned char *p, *mac_secret; 
+    unsigned char *ms, *key, *iv; 
+    EVP_CIPHER_CTX *dd; 
+    const EVP_CIPHER *c; 
+#ifndef OPENSSL_NO_COMP 
+    COMP_METHOD *comp; 
+#endif 
+    const EVP_MD *m; 
+    int mdi; 
+    size_t n, i, j, k, cl; 
+    int reuse_dd = 0; 
+ 
+    c = s->s3->tmp.new_sym_enc; 
+    m = s->s3->tmp.new_hash; 
+    /* m == NULL will lead to a crash later */ 
+    if (!ossl_assert(m != NULL)) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                 ERR_R_INTERNAL_ERROR); 
+        goto err; 
+    } 
+#ifndef OPENSSL_NO_COMP 
+    if (s->s3->tmp.new_compression == NULL) 
+        comp = NULL; 
+    else 
+        comp = s->s3->tmp.new_compression->method; 
+#endif 
+ 
+    if (which & SSL3_CC_READ) { 
+        if (s->enc_read_ctx != NULL) { 
+            reuse_dd = 1; 
+        } else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                     ERR_R_MALLOC_FAILURE); 
+            goto err; 
+        } else { 
+            /* 
+             * make sure it's initialised in case we exit later with an error 
+             */ 
+            EVP_CIPHER_CTX_reset(s->enc_read_ctx); 
+        } 
+        dd = s->enc_read_ctx; 
+ 
+        if (ssl_replace_hash(&s->read_hash, m) == NULL) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                     ERR_R_INTERNAL_ERROR); 
+            goto err; 
+        } 
+#ifndef OPENSSL_NO_COMP 
+        /* COMPRESS */ 
+        COMP_CTX_free(s->expand); 
+        s->expand = NULL; 
+        if (comp != NULL) { 
+            s->expand = COMP_CTX_new(comp); 
+            if (s->expand == NULL) { 
+                SSLfatal(s, SSL_AD_INTERNAL_ERROR, 
+                         SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                         SSL_R_COMPRESSION_LIBRARY_ERROR); 
+                goto err; 
+            } 
+        } 
+#endif 
+        RECORD_LAYER_reset_read_sequence(&s->rlayer); 
+        mac_secret = &(s->s3->read_mac_secret[0]); 
+    } else { 
+        s->statem.enc_write_state = ENC_WRITE_STATE_INVALID; 
+        if (s->enc_write_ctx != NULL) { 
+            reuse_dd = 1; 
+        } else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                     ERR_R_MALLOC_FAILURE); 
+            goto err; 
+        } else { 
+            /* 
+             * make sure it's initialised in case we exit later with an error 
+             */ 
+            EVP_CIPHER_CTX_reset(s->enc_write_ctx); 
+        } 
+        dd = s->enc_write_ctx; 
+        if (ssl_replace_hash(&s->write_hash, m) == NULL) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                     ERR_R_MALLOC_FAILURE); 
+            goto err; 
+        } 
+#ifndef OPENSSL_NO_COMP 
+        /* COMPRESS */ 
+        COMP_CTX_free(s->compress); 
+        s->compress = NULL; 
+        if (comp != NULL) { 
+            s->compress = COMP_CTX_new(comp); 
+            if (s->compress == NULL) { 
+                SSLfatal(s, SSL_AD_INTERNAL_ERROR, 
+                         SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                         SSL_R_COMPRESSION_LIBRARY_ERROR); 
+                goto err; 
+            } 
+        } 
+#endif 
+        RECORD_LAYER_reset_write_sequence(&s->rlayer); 
+        mac_secret = &(s->s3->write_mac_secret[0]); 
+    } 
+ 
+    if (reuse_dd) 
+        EVP_CIPHER_CTX_reset(dd); 
+ 
+    p = s->s3->tmp.key_block; 
+    mdi = EVP_MD_size(m); 
+    if (mdi < 0) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                 ERR_R_INTERNAL_ERROR); 
+        goto err; 
+    } 
+    i = mdi; 
+    cl = EVP_CIPHER_key_length(c); 
+    j = cl; 
+    k = EVP_CIPHER_iv_length(c); 
+    if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) || 
+        (which == SSL3_CHANGE_CIPHER_SERVER_READ)) { 
+        ms = &(p[0]); 
+        n = i + i; 
+        key = &(p[n]); 
+        n += j + j; 
+        iv = &(p[n]); 
+        n += k + k; 
+    } else { 
+        n = i; 
+        ms = &(p[n]); 
+        n += i + j; 
+        key = &(p[n]); 
+        n += j + k; 
+        iv = &(p[n]); 
+        n += k; 
+    } 
+ 
+    if (n > s->s3->tmp.key_block_length) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                 ERR_R_INTERNAL_ERROR); 
+        goto err; 
+    } 
+ 
+    memcpy(mac_secret, ms, i); 
+ 
+    if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHANGE_CIPHER_STATE, 
+                 ERR_R_INTERNAL_ERROR); 
+        goto err; 
+    } 
+ 
+    s->statem.enc_write_state = ENC_WRITE_STATE_VALID; 
+    return 1; 
+ err: 
+    return 0; 
+} 
+ 
+int ssl3_setup_key_block(SSL *s) 
+{ 
+    unsigned char *p; 
+    const EVP_CIPHER *c; 
+    const EVP_MD *hash; 
+    int num; 
+    int ret = 0; 
+    SSL_COMP *comp; 
+ 
+    if (s->s3->tmp.key_block_length != 0) 
+        return 1; 
+ 
+    if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_SETUP_KEY_BLOCK, 
+                 SSL_R_CIPHER_OR_HASH_UNAVAILABLE); 
+        return 0; 
+    } 
+ 
+    s->s3->tmp.new_sym_enc = c; 
+    s->s3->tmp.new_hash = hash; 
+#ifdef OPENSSL_NO_COMP 
+    s->s3->tmp.new_compression = NULL; 
+#else 
+    s->s3->tmp.new_compression = comp; 
+#endif 
+ 
+    num = EVP_MD_size(hash); 
+    if (num < 0) 
+        return 0; 
+ 
+    num = EVP_CIPHER_key_length(c) + num + EVP_CIPHER_iv_length(c); 
+    num *= 2; 
+ 
+    ssl3_cleanup_key_block(s); 
+ 
+    if ((p = OPENSSL_malloc(num)) == NULL) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_SETUP_KEY_BLOCK, 
+                 ERR_R_MALLOC_FAILURE); 
+        return 0; 
+    } 
+ 
+    s->s3->tmp.key_block_length = num; 
+    s->s3->tmp.key_block = p; 
+ 
+    /* Calls SSLfatal() as required */ 
+    ret = ssl3_generate_key_block(s, p, num); 
+ 
+    if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) { 
+        /* 
+         * enable vulnerability countermeasure for CBC ciphers with known-IV 
+         * problem (http://www.openssl.org/~bodo/tls-cbc.txt) 
+         */ 
+        s->s3->need_empty_fragments = 1; 
+ 
+        if (s->session->cipher != NULL) { 
+            if (s->session->cipher->algorithm_enc == SSL_eNULL) 
+                s->s3->need_empty_fragments = 0; 
+ 
+#ifndef OPENSSL_NO_RC4 
+            if (s->session->cipher->algorithm_enc == SSL_RC4) 
+                s->s3->need_empty_fragments = 0; 
+#endif 
+        } 
+    } 
+ 
+    return ret; 
+} 
+ 
+void ssl3_cleanup_key_block(SSL *s) 
+{ 
+    OPENSSL_clear_free(s->s3->tmp.key_block, s->s3->tmp.key_block_length); 
+    s->s3->tmp.key_block = NULL; 
+    s->s3->tmp.key_block_length = 0; 
+} 
+ 
+int ssl3_init_finished_mac(SSL *s) 
+{ 
+    BIO *buf = BIO_new(BIO_s_mem()); 
+ 
+    if (buf == NULL) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_INIT_FINISHED_MAC, 
+                 ERR_R_MALLOC_FAILURE); 
+        return 0; 
+    } 
+    ssl3_free_digest_list(s); 
+    s->s3->handshake_buffer = buf; 
+    (void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE); 
+    return 1; 
+} 
+ 
+/* 
+ * Free digest list. Also frees handshake buffer since they are always freed 
+ * together. 
+ */ 
+ 
+void ssl3_free_digest_list(SSL *s) 
+{ 
+    BIO_free(s->s3->handshake_buffer); 
+    s->s3->handshake_buffer = NULL; 
+    EVP_MD_CTX_free(s->s3->handshake_dgst); 
+    s->s3->handshake_dgst = NULL; 
+} 
+ 
+int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len) 
+{ 
+    int ret; 
+ 
+    if (s->s3->handshake_dgst == NULL) { 
+        /* Note: this writes to a memory BIO so a failure is a fatal error */ 
+        if (len > INT_MAX) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC, 
+                     SSL_R_OVERFLOW_ERROR); 
+            return 0; 
+        } 
+        ret = BIO_write(s->s3->handshake_buffer, (void *)buf, (int)len); 
+        if (ret <= 0 || ret != (int)len) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC, 
+                     ERR_R_INTERNAL_ERROR); 
+            return 0; 
+        } 
+    } else { 
+        ret = EVP_DigestUpdate(s->s3->handshake_dgst, buf, len); 
+        if (!ret) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINISH_MAC, 
+                     ERR_R_INTERNAL_ERROR); 
+            return 0; 
+        } 
+    } 
+    return 1; 
+} 
+ 
+int ssl3_digest_cached_records(SSL *s, int keep) 
+{ 
+    const EVP_MD *md; 
+    long hdatalen; 
+    void *hdata; 
+ 
+    if (s->s3->handshake_dgst == NULL) { 
+        hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); 
+        if (hdatalen <= 0) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS, 
+                     SSL_R_BAD_HANDSHAKE_LENGTH); 
+            return 0; 
+        } 
+ 
+        s->s3->handshake_dgst = EVP_MD_CTX_new(); 
+        if (s->s3->handshake_dgst == NULL) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS, 
+                     ERR_R_MALLOC_FAILURE); 
+            return 0; 
+        } 
+ 
+        md = ssl_handshake_md(s); 
+        if (md == NULL || !EVP_DigestInit_ex(s->s3->handshake_dgst, md, NULL) 
+            || !EVP_DigestUpdate(s->s3->handshake_dgst, hdata, hdatalen)) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_DIGEST_CACHED_RECORDS, 
+                     ERR_R_INTERNAL_ERROR); 
+            return 0; 
+        } 
+    } 
+    if (keep == 0) { 
+        BIO_free(s->s3->handshake_buffer); 
+        s->s3->handshake_buffer = NULL; 
+    } 
+ 
+    return 1; 
+} 
+ 
+size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t len, 
+                             unsigned char *p) 
+{ 
+    int ret; 
+    EVP_MD_CTX *ctx = NULL; 
+ 
+    if (!ssl3_digest_cached_records(s, 0)) { 
+        /* SSLfatal() already called */ 
+        return 0; 
+    } 
+ 
+    if (EVP_MD_CTX_type(s->s3->handshake_dgst) != NID_md5_sha1) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC, 
+                 SSL_R_NO_REQUIRED_DIGEST); 
+        return 0; 
+    } 
+ 
+    ctx = EVP_MD_CTX_new(); 
+    if (ctx == NULL) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC, 
+                 ERR_R_MALLOC_FAILURE); 
+        return 0; 
+    } 
+    if (!EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst)) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC, 
+                 ERR_R_INTERNAL_ERROR); 
+        ret = 0; 
+        goto err; 
+    } 
+ 
+    ret = EVP_MD_CTX_size(ctx); 
+    if (ret < 0) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC, 
+                 ERR_R_INTERNAL_ERROR); 
+        ret = 0; 
+        goto err; 
+    } 
+ 
+    if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0) 
+        || EVP_MD_CTX_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET, 
+                           (int)s->session->master_key_length, 
+                           s->session->master_key) <= 0 
+        || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC, 
+                 ERR_R_INTERNAL_ERROR); 
+        ret = 0; 
+    } 
+ 
+ err: 
+    EVP_MD_CTX_free(ctx); 
+ 
+    return ret; 
+} 
+ 
+int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, 
+                                size_t len, size_t *secret_size) 
+{ 
+    static const unsigned char *salt[3] = { 
+#ifndef CHARSET_EBCDIC 
+        (const unsigned char *)"A", 
+        (const unsigned char *)"BB", 
+        (const unsigned char *)"CCC", 
+#else 
+        (const unsigned char *)"\x41", 
+        (const unsigned char *)"\x42\x42", 
+        (const unsigned char *)"\x43\x43\x43", 
+#endif 
+    }; 
+    unsigned char buf[EVP_MAX_MD_SIZE]; 
+    EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 
+    int i, ret = 1; 
+    unsigned int n; 
+    size_t ret_secret_size = 0; 
+ 
+    if (ctx == NULL) { 
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_MASTER_SECRET, 
+                 ERR_R_MALLOC_FAILURE); 
+        return 0; 
+    } 
+    for (i = 0; i < 3; i++) { 
+        if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0 
+            || EVP_DigestUpdate(ctx, salt[i], 
+                                strlen((const char *)salt[i])) <= 0 
+            || EVP_DigestUpdate(ctx, p, len) <= 0 
+            || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]), 
+                                SSL3_RANDOM_SIZE) <= 0 
+            || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]), 
+                                SSL3_RANDOM_SIZE) <= 0 
+               /* TODO(size_t) : convert me */ 
+            || EVP_DigestFinal_ex(ctx, buf, &n) <= 0 
+            || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0 
+            || EVP_DigestUpdate(ctx, p, len) <= 0 
+            || EVP_DigestUpdate(ctx, buf, n) <= 0 
+            || EVP_DigestFinal_ex(ctx, out, &n) <= 0) { 
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, 
+                     SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR); 
+            ret = 0; 
+            break; 
+        } 
+        out += n; 
+        ret_secret_size += n; 
+    } 
+    EVP_MD_CTX_free(ctx); 
+ 
+    OPENSSL_cleanse(buf, sizeof(buf)); 
+    if (ret) 
+        *secret_size = ret_secret_size; 
+    return ret; 
+} 
+ 
+int ssl3_alert_code(int code) 
+{ 
+    switch (code) { 
+    case SSL_AD_CLOSE_NOTIFY: 
+        return SSL3_AD_CLOSE_NOTIFY; 
+    case SSL_AD_UNEXPECTED_MESSAGE: 
+        return SSL3_AD_UNEXPECTED_MESSAGE; 
+    case SSL_AD_BAD_RECORD_MAC: 
+        return SSL3_AD_BAD_RECORD_MAC; 
+    case SSL_AD_DECRYPTION_FAILED: 
+        return SSL3_AD_BAD_RECORD_MAC; 
+    case SSL_AD_RECORD_OVERFLOW: 
+        return SSL3_AD_BAD_RECORD_MAC; 
+    case SSL_AD_DECOMPRESSION_FAILURE: 
+        return SSL3_AD_DECOMPRESSION_FAILURE; 
+    case SSL_AD_HANDSHAKE_FAILURE: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_NO_CERTIFICATE: 
+        return SSL3_AD_NO_CERTIFICATE; 
+    case SSL_AD_BAD_CERTIFICATE: 
+        return SSL3_AD_BAD_CERTIFICATE; 
+    case SSL_AD_UNSUPPORTED_CERTIFICATE: 
+        return SSL3_AD_UNSUPPORTED_CERTIFICATE; 
+    case SSL_AD_CERTIFICATE_REVOKED: 
+        return SSL3_AD_CERTIFICATE_REVOKED; 
+    case SSL_AD_CERTIFICATE_EXPIRED: 
+        return SSL3_AD_CERTIFICATE_EXPIRED; 
+    case SSL_AD_CERTIFICATE_UNKNOWN: 
+        return SSL3_AD_CERTIFICATE_UNKNOWN; 
+    case SSL_AD_ILLEGAL_PARAMETER: 
+        return SSL3_AD_ILLEGAL_PARAMETER; 
+    case SSL_AD_UNKNOWN_CA: 
+        return SSL3_AD_BAD_CERTIFICATE; 
+    case SSL_AD_ACCESS_DENIED: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_DECODE_ERROR: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_DECRYPT_ERROR: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_EXPORT_RESTRICTION: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_PROTOCOL_VERSION: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_INSUFFICIENT_SECURITY: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_INTERNAL_ERROR: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_USER_CANCELLED: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_NO_RENEGOTIATION: 
+        return -1;            /* Don't send it :-) */ 
+    case SSL_AD_UNSUPPORTED_EXTENSION: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_CERTIFICATE_UNOBTAINABLE: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_UNRECOGNIZED_NAME: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: 
+        return SSL3_AD_HANDSHAKE_FAILURE; 
+    case SSL_AD_UNKNOWN_PSK_IDENTITY: 
+        return TLS1_AD_UNKNOWN_PSK_IDENTITY; 
+    case SSL_AD_INAPPROPRIATE_FALLBACK: 
+        return TLS1_AD_INAPPROPRIATE_FALLBACK; 
+    case SSL_AD_NO_APPLICATION_PROTOCOL: 
+        return TLS1_AD_NO_APPLICATION_PROTOCOL; 
+    case SSL_AD_CERTIFICATE_REQUIRED: 
+        return SSL_AD_HANDSHAKE_FAILURE; 
+    default: 
+        return -1; 
+    } 
+}